SKU:
Osculati-47.558.08
$ 8,51
1-2 weeks delivery time
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Osculati 47.558.08 – NGK B8-HS-10 is a non-resistor marine spark plug with a factory-set 1.0 mm gap. Featuring a 14 mm thread, 12.7 mm (1/2") reach, and 20.8 mm (13/16") hex, it delivers high ignition efficiency and stable combustion in 2-stroke outboards by Yamaha, Mercury, Suzuki, Mariner, Tohatsu, Selva, and Honda. Equivalent to Champion L78C.
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Osculati 47.558.08 – NGK B8-HS-10 Spark Plug
The Osculati 47.558.08 features the NGK B8-HS-10 spark plug, designed for 2-stroke marine outboards operating under regular to moderate thermal load. It is a non-resistor type plug that delivers direct spark energy to the ignition system, with a 1.0 mm pre-set gap for easy installation and consistent firing. Built for compatibility with leading engine brands, it cross-references with Champion L78C.
Main Features:
- Model: NGK B8-HS-10
- Thread Size: 14 mm
- Reach: 12.7 mm (1/2")
- Hex Size: 20.8 mm (13/16")
- Resistor: No
- Pre-set Gap: 1.0 mm
- Heat Range: 8 (cool-medium)
- Electrode: Standard tip with copper core
- Champion Equivalent: L78C
Compatible Engine Brands:
- Mariner
- Yamaha
- Suzuki
- Mercury
- Tohatsu
- Selva
- Honda (2-stroke models)
Benefits:
- Non-resistor design for strong ignition output
- Pre-gapped at 1.0 mm for accurate timing and easy replacement
- Excellent marine corrosion resistance and anti-fouling performance
- Trusted by OEMs and marine technicians worldwide
Technical Specifications Table:
Parameter Value Item Code 47.558.08 Model NGK B8-HS-10 Thread Size 14 mm Reach 12.7 mm (1/2") Hex Size 20.8 mm (13/16") Resistor No Pre-set Gap 1.0 mm Heat Range 8 Champion Equivalent L78C Application 2-stroke outboard marine engines
The Osculati 47.558.08 – NGK B8-HS-10 spark plug is ideal for classic and modern 2-stroke marine outboards where a strong, resistor-free ignition path is needed. Its 1.0 mm factory-set gap and cooler heat rating make it ideal for sustained performance in marine environments.
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